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Btus/hour square foot fahrenheit to Calories (thermochemical)/second square centimeter celsius Converter (Btu/(h·ft²·°F) to cal/(s·cm²·°C))

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Live Conversion • ISO 80000-5:2019 Certified
1 Btu/hour square foot fahrenheit = 0.00013571375 Calorie/second square centimeter celsius
1 Btu/(h·ft²·°F) = 0.000135714 cal/(s·cm²·°C) • 1 cal/(s·cm²·°C) = 7368.449979 Btu/(h·ft²·°F)
Btu/hour square foot fahrenheit to Calorie/second square centimeter celsius: One Btu/hour square foot fahrenheit is equal to 0.00013571375 Calories (thermochemical)/second square centimeter celsius.
Certified Authority Value
0.00013571
cal/(s·cm²·°C)
Exact: 1 cal/(s·cm²·°C) ≡ 7368.4499794858 Btu/(h·ft²·°F)
Btu/(h·ft²·°F)
Btu/(h·ft²·°F)
Swap to Calorie/second square centimeter celsius to Btu/hour square foot fahrenheit
Swap to Calorie/second square centimeter celsius to Btu/hour square foot fahrenheit
cal/(s·cm²·°C)
cal/(s·cm²·°C) 0.00013571375
Quick Values:
Conversion Formula
To convert Btu/hour square foot fahrenheit to Calorie/second square centimeter celsius, multiply by 0.00013571375
Btu/(h·ft²·°F) × 0.00013571375 = cal/(s·cm²·°C)

Calculation: 1 Btu/(h·ft²·°F) × 0.00013571375 = 0.00013571375 cal/(s·cm²·°C)

Common Btu/hour square foot fahrenheit to Calorie/second square centimeter celsius Calculations

Quick-lookup reference table showing calculated equivalents for standard increments between Btu/hour square foot fahrenheit (Btu/(h·ft²·°F)) and Calorie/second square centimeter celsius (cal/(s·cm²·°C)).

Tap any row to calculate
Btu/hour square foot fahrenheit to Calorie/second square centimeter celsius: Primary Direct Table (15 Steps)
Btu/hour square foot fahrenheit to Calorie/second square centimeter celsius Conversion Reference Table
Conversion & Equivalent Value Scientific Notation
0.001 Btu/(h·ft²·°F) 1.357138 × 10⁻⁷ cal/(s·cm²·°C) 1.357 × 10⁻⁷
0.01 Btu/(h·ft²·°F) 1.357138 × 10⁻⁶ cal/(s·cm²·°C) 1.357 × 10⁻⁶
0.1 Btu/(h·ft²·°F) 1.357138 × 10⁻⁵ cal/(s·cm²·°C) 1.357 × 10⁻⁵
0.5 Btu/(h·ft²·°F) 6.785688 × 10⁻⁵ cal/(s·cm²·°C) 6.786 × 10⁻⁵
1 Btu/(h·ft²·°F) 0.000135714 cal/(s·cm²·°C) 1.357 × 10⁻⁴
2 Btu/(h·ft²·°F) 0.000271428 cal/(s·cm²·°C) 2.714 × 10⁻⁴
5 Btu/(h·ft²·°F) 0.000678569 cal/(s·cm²·°C) 6.786 × 10⁻⁴
10 Btu/(h·ft²·°F) 0.00135714 cal/(s·cm²·°C) 1.357 × 10⁻³
20 Btu/(h·ft²·°F) 0.00271428 cal/(s·cm²·°C) 2.714 × 10⁻³
25 Btu/(h·ft²·°F) 0.00339284 cal/(s·cm²·°C) 3.393 × 10⁻³
50 Btu/(h·ft²·°F) 0.00678569 cal/(s·cm²·°C) 6.786 × 10⁻³
100 Btu/(h·ft²·°F) 0.0135714 cal/(s·cm²·°C) 1.357 × 10⁻²
250 Btu/(h·ft²·°F) 0.0339284 cal/(s·cm²·°C) 3.393 × 10⁻²
500 Btu/(h·ft²·°F) 0.0678569 cal/(s·cm²·°C) 6.786 × 10⁻²
1000 Btu/(h·ft²·°F) 0.135714 cal/(s·cm²·°C) 1.357 × 10⁻¹
Calorie/second square centimeter celsius to Btu/hour square foot fahrenheit: Reciprocal Summary
Calorie/second square centimeter celsius to Btu/hour square foot fahrenheit Conversion Reference Table
Reciprocal & Equivalent Value Scientific Notation
1 cal/(s·cm²·°C) 7368.449979 Btu/(h·ft²·°F) 7.368 × 10³
5 cal/(s·cm²·°C) 36842.249897 Btu/(h·ft²·°F) 3.684 × 10⁴
10 cal/(s·cm²·°C) 73684.499795 Btu/(h·ft²·°F) 7.368 × 10⁴
50 cal/(s·cm²·°C) 368422.498974 Btu/(h·ft²·°F) 3.684 × 10⁵
100 cal/(s·cm²·°C) 736844.997949 Btu/(h·ft²·°F) 7.368 × 10⁵
View Complete 15-Row Calorie/second square centimeter celsius to Btu/hour square foot fahrenheit Table

Real-World Context & Everyday Benchmarks

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To help contextualize these units in everyday life, science, and engineering, here are verified real-world reference points for Btu/hour square foot fahrenheit (Btu/(h·ft²·°F)) and Calorie/second square centimeter celsius (cal/(s·cm²·°C)):

Btu/hour square foot fahrenheit References:

  • Stationary ambient air natural free convection on vertical wall 0.880551 Btu/(h·ft²·°F)
  • Forced air breeze blowing across automotive cooling radiator 8.8055 Btu/(h·ft²·°F)
  • Liquid water forced circulation inside heat exchanger pipe 528.33 Btu/(h·ft²·°F)
  • Nucleate boiling heat transfer in pressurized steam boiler tube 2641.65 Btu/(h·ft²·°F)

Calorie/second square centimeter celsius References:

  • Stationary ambient air natural free convection on vertical wall 0.00012 cal/(s·cm²·°C)
  • Forced air breeze blowing across automotive cooling radiator 0.001195 cal/(s·cm²·°C)
  • Liquid water forced circulation inside heat exchanger pipe 0.071702 cal/(s·cm²·°C)
  • Nucleate boiling heat transfer in pressurized steam boiler tube 0.358509 cal/(s·cm²·°C)

Tap any benchmark above to automatically calculate its exact equivalent in Calorie/second square centimeter celsius.

ISQ Dimension: [M T⁻³ Θ⁻¹] Coherent SI Unit: watt per square meter kelvin (W/(m²·K)) Thermodynamics & Heat Transfer

How to Convert Btu/hour square foot fahrenheit to Calorie/second square centimeter celsius

Converting Btu/hour square foot fahrenheit (Btu/(h·ft²·°F)) to Calorie/second square centimeter celsius (cal/(s·cm²·°C)) is a core calculation in Heat Transfer Coefficient, which quantifies the proportionality constant between the heat flux and the thermodynamic driving temperature difference. This calculation navigates the boundary between the International Metric System (SI) and British Imperial / US Customary engineering standards. In contemporary metrology, Imperial units are defined in terms of exact SI standards via international agreements—notably NIST SP 811 and the 1959 International Yard and Pound Agreement. Exactly 1 Btu/hour square foot fahrenheit equals 0.000135714 Calorie/second square centimeter celsius, while 1 cal/(s·cm²·°C) equals 7368.449979 Btu/(h·ft²·°F).

Direct Factor1 Btu/(h·ft²·°F) = 0.000135714 cal/(s·cm²·°C)
Inverse Ratio1 cal/(s·cm²·°C) = 7368.449979 Btu/(h·ft²·°F)
Conversion ScaleMetric SI to British Imperial / US Customary Bridge
First-Principles SI Derivation ProofNIST SP 811 / ISO 80000 Compliance

Mathematical Conversion Derivation via Coherent SI Base Unit

Under the International System of Quantities (ISQ), dimensional conversion between non-SI units is rigorously resolved by bridging through the coherent SI base unit (watt per square meter kelvin (W/(m²·K))) without arbitrary rounding:

Vtarget=Vsource×(ksource→SIktarget→SI)V_{\text{target}} = V_{\text{source}} \times \left( \frac{k_{\text{source} \to \text{SI}}}{k_{\text{target} \to \text{SI}}} \right)
Universal Dimensional Conversion Law (ISO 80000 / NIST SP 811)
1. Source SI Bridge (ksource):1 Btu/(h·ft²·°F) = 5.678263 watt per square meter kelvin (W/(m²·K))
2. Target SI Bridge (ktarget):1 cal/(s·cm²·°C) = 41839.999324 watt per square meter kelvin (W/(m²·K))
Step-by-step substitution for Btu/hour square foot fahrenheit → Calorie/second square centimeter celsius:V(cal/(s·cm²·°C)) = V(Btu/(h·ft²·°F)) × ( 5.678263 / 41839.999324 ) = V(Btu/(h·ft²·°F)) × 0.000135714
Mathematical FormulaValue in Calorie/second square centimeter celsius = Value in Btu/hour square foot fahrenheit × 0.00013571375Direct computational formula applied for standard conversion.
Worked Example

To convert 120 Btu/hour square foot fahrenheit (Btu/(h·ft²·°F)) to Calorie/second square centimeter celsius (cal/(s·cm²·°C)): multiply 120 by 0.000135714 to get 0.0162857 cal/(s·cm²·°C). At an industrial engineering scale, 10000 Btu/(h·ft²·°F) converts to 1.357138 cal/(s·cm²·°C).

Inverse check: 1 cal/(s·cm²·°C) = 7368.449979 Btu/(h·ft²·°F).

Understanding Btu/hour square foot fahrenheit and Calorie/second square centimeter celsius

Btu/hour square foot fahrenheit

Btu/(h·ft²·°F)
Imperial / US

A Btu/hour square foot fahrenheit (Btu/(h·ft²·°F)) is an imperial and US customary unit for heat transfer coefficient.

Applications & Practical Context

In practical heat transfer coefficient terms, a stationary ambient air natural free convection on vertical wall equals 0.880551 Btu/(h·ft²·°F), a forced air breeze blowing across automotive cooling radiator equals 8.8055 Btu/(h·ft²·°F), a liquid water forced circulation inside heat exchanger pipe equals 528.33 Btu/(h·ft²·°F).

Physical Setup

A physical magnitude of 1 Btu/(h·ft²·°F) corresponds to 5.678263 W/(m²·K) in standard SI measurement.

Conversion to SI Unit: watt per square meter kelvin (W/(m²·K))
1 Btu/(h·ft²·°F) = 5.678263 W/(m²·K)

Calorie/second square centimeter celsius

cal/(s·cm²·°C)
Standard Unit

A Calorie/second square centimeter celsius (cal/(s·cm²·°C)) is a recognized unit for heat transfer coefficient.

Applications & Practical Context

In practical heat transfer coefficient terms, a stationary ambient air natural free convection on vertical wall equals 0.00012 cal/(s·cm²·°C), a forced air breeze blowing across automotive cooling radiator equals 0.001195 cal/(s·cm²·°C), a liquid water forced circulation inside heat exchanger pipe equals 0.071702 cal/(s·cm²·°C).

Physical Setup

A physical magnitude of 1 cal/(s·cm²·°C) corresponds to 41839.999324 W/(m²·K) in standard SI measurement.

Conversion to SI Unit: watt per square meter kelvin (W/(m²·K))
1 cal/(s·cm²·°C) = 41839.999324 W/(m²·K)

Domain Metrology & Engineering Applications

Governing Law & Equation

Newton's Law of Cooling (q = h · ΔT)

Measurement Instrumentation

Rigorously quantified in laboratory and field settings using surface heat flux transducer plates coupled with surface RTD arrays, and wind tunnel boundary layer calorimeters.

Primary Industry Sectors

Applied across industrial heat exchanger rating, nuclear reactor cooling loop simulation, electronics forced-air cooling, and architectural U-value certification under international metrology standard ISO 80000-5:2019, ASME PTC.

Institutional Metrology & Standard Authority:

Formulas, conversion coefficients, and base definitions on this page strictly adhere to the ISO 80000-5:2019, ASME PTC and the BIPM SI Brochure (9th Edition). Governed by Newton's Law of Cooling (q = h · ΔT) under ISO 80000 dimensional vector [M T⁻³ Θ⁻¹].

Multi-Variable Engineering Bridge Convective Thermodynamics & Cooling

Heat Transfer Coefficient to Convective Flux Bridge (W/m² • kW/m² • BTU/(h·ft²) • cal/(s·cm²))

Calculate Newton’s law of cooling convective heat flux q" = h × ΔT across convective film temperature drops, bridging heat transfer coefficient [M T⁻³ Θ⁻¹] with heat flux [M T⁻³].

q" = h × ΔT
Vector: [W/(m²·K)] × [K] → [W/m²]
Live Calculated Bridge Equivalent:
1 Btu/(h·ft²·°F) at Forced Air Duct Cooling (ΔT = 25 K) = 141.9566 W/m²
Equals 0.142 kW/m² • 45 BTU/(h·ft²) • 0.00339057 cal/(s·cm²)
SI Heat Flux
141.9566
W/m²
Watts per Square Meter
Solar / Combustion
0.142
kW/m²
Kilowatts per Square Meter
US Building Envelope
45
BTU/(h·ft²)
BTU per Hour Sq. Foot
CGS Thermal
0.00339057
cal/(s·cm²)
Calories per Second Sq. Cm
Meteorology
0.2035
Ly/min
Langley per Minute
Furnace Flux
0.00014196
MW/m²
Megawatts per Square Meter
  1. 1. Normalize Input to SI Base Unit (W/(m²·K)):
    h = 1 Btu/(h·ft²·°F) × 5.67826333 = 5.67826333 W/(m²·K)
  2. 2. Apply Engineering Parameter (ΔT):
    Selected condition: Forced Air Duct Cooling (ΔT = 25 K) at ΔT = 25 K
  3. 3. Execute Governing Physical Law in SI Units:
    q" = h × ΔT = (5.67826333 W/(m²·K)) × (25 K) = 141.956583 W/m²
  4. 4. Convert to Standard Engineering Units:
    • W/m²: 141.956583 × 1 = 141.9566 W/m² (Watts per Square Meter) • kW/m²: 141.956583 × 0.001 = 0.142 kW/m² (Kilowatts per Square Meter) • BTU/(h·ft²): 141.956583 × 0.317 = 45 BTU/(h·ft²) (BTU per Hour Sq. Foot) • cal/(s·cm²): 141.956583 × 2.3885 × 10⁻⁵ = 0.00339057 cal/(s·cm²) (Calories per Second Sq. Cm) • Ly/min: 141.956583 × 0.001433 = 0.2035 Ly/min (Langley per Minute) • MW/m²: 141.956583 × 1 × 10⁻⁶ = 0.00014196 MW/m² (Megawatts per Square Meter)
Explore Full Heat Flux Density Converter →
Engineering Substance / Operating Standard Parameter Value (K) Reference State / Condition Typical Industrial & Engineering Application
Natural Air Convection (ΔT = 15 K) 15 ΔT = 15 K (15°C) Still room air room heating surface delta
Forced Air Duct Cooling (ΔT = 25 K) 25 ΔT = 25 K (25°C) Forced fan ventilation heatsink airflow
Forced Liquid Water Cooling (ΔT = 30 K) 30 ΔT = 30 K Pumped liquid cold plate or engine jacket
Nucleate Boiling Heat Transfer (ΔT = 50 K) 50 ΔT = 50 K Boiler evaporator tube wall boundary
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Frequently Asked Questions

There are exactly 0.00013571375 calories (thermochemical)/second square centimeter celsius (cal/(s·cm²·°C)) in 1 btu/hour square foot fahrenheit (Btu/(h·ft²·°F)). To calculate larger amounts manually, simply multiply your total number of btus/hour square foot fahrenheit by the conversion multiplier of 0.00013571375.

The mathematical formula to convert btus/hour square foot fahrenheit to calories (thermochemical)/second square centimeter celsius is: [value] * 0.00013571375 = calories (thermochemical)/second square centimeter celsius. Rather than doing the math manually, you can use our high-precision online calculator to process this exact equation instantly without rounding errors.

To perform the reverse calculation from calories (thermochemical)/second square centimeter celsius back to btus/hour square foot fahrenheit, you must divide your starting value by 0.00013571375. Our bidirectional tool automatically computes this inverse equation the moment you type into the calorie/second square centimeter celsius input field.

1 Calorie/second square centimeter celsius is larger than 1 Btu/hour square foot fahrenheit. Specifically, 1 Btu/hour square foot fahrenheit equals 0.00013571375 calories (thermochemical)/second square centimeter celsius, meaning 1 Calorie/second square centimeter celsius is 7368.45 times larger than 1 Btu/hour square foot fahrenheit (a difference of 3.87 orders of magnitude). Expressing measurements in btus/hour square foot fahrenheit requires a larger numerical value to represent the equivalent physical magnitude.

Under standard international measurement guidelines, 1 Btu/hour square foot fahrenheit converts to 0.00013571375 calories (thermochemical)/second square centimeter celsius. Precise numerical conversion factors ensure consistency across laboratory, engineering, and field data.

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